ZIP code · Decatur · Alabama · United States
ZIP code 35603 — Decatur
ZIP code 35603 serves Decatur, Alabama.
- Postal code
- 35603Single source Value from one source, not cross-checked.
- City
- Decatur
- County
- Morgan
- State
- Alabama
- Country
- United States
- Coordinates
- 34.5484, -87.0004 — precision precise (locality)
View on OpenStreetMap - Population
- 31,875 (ZCTA, ACS 5-year)
- Median household income
- $78,237
- Median age
- 43.3
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page